 | Microgravity | 30 | |
| How can astronauts use a treadmill for exercise in microgravity? |
 |
 | |
| . |
| For 30 points... They need a force to replace gravity that will keep them stuck to the treadmill—usually a bungee cord. |
|
 | |
| . |
| Microgravity | 30 | |
| How can astronauts use a treadmill for exercise in microgravity? |
|
| |
| . |
| For 30 points... They need a force to replace gravity that will keep them stuck to the treadmill—usually a bungee cord. |
|
| |
| . |